Home / 8,256.49-11,386.41-5,422.73

Finding the Fourth Proportional to 8,256.49, 11,386.41 and 5,422.73

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Solution

The fourth proportional to 8,256.49, 11,386.41 and 5,422.73 is: 7,478.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256.49 : 11,386.41 = 5,422.73 : x
  2. Step 2: Convert to fraction form
    8,256.49/11,386.41 = 5,422.73/x
  3. Step 3: Cross multiply
    8,256.49x = 11,386.41 × 5,422.73
  4. Step 4: Simplify right side
    8,256.49x = 61,745,484.79
  5. Step 5: Solve for x
    x = 61,745,484.79/8,256.49
  6. Step 6: Final answer
    x = 7,478.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.